package com.dingding.gmall.product.exception;

import com.dingding.gmall.common.exception.BizCodeEnum;
import com.dingding.gmall.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestControllerAdvice(basePackages = "com.dingding.gmall.product.controller")
public class GmallExceptionAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题:{},异常类型:{}",e.getMessage(),e.getClass());
        BindingResult bindResult = e.getBindingResult();
        Map<String,String> errorMap = new HashMap<>(10);
        bindResult.getFieldErrors().forEach(fieldError -> {
            errorMap.put(fieldError.getField(),fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VAILD_EXCEPTION.getCode(),BizCodeEnum.VAILD_EXCEPTION.getMsg()).put("data",errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable t){
        log.error("服务器异常:{}",t.getMessage());
        t.printStackTrace();
        return R.error();
    }
}
